Add AES-GCM test vectors from gcm-spec.pdf

Signed-hostap: Jouni Malinen <j@w1.fi>

diff --git a/tests/Makefile b/tests/Makefile
index d49633084f189a68ead4e89f28bd4b7729b2e9b4..3f5a8c283d4bff16a6cb27b3e68e47e90f3025d7 100644 (file)
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -39,7 +39,7 @@ LLIBS = -Wl,--start-group $(DLIBS) -Wl,--end-group $(SLIBS)
 
 
 test-aes: test-aes.o $(LIBS)
-       $(LDO) $(LDFLAGS) -o $@ $^
+       $(LDO) $(LDFLAGS) -o $@ $^ $(LLIBS)
 
 test-asn1: test-asn1.o $(LIBS)
        $(LDO) $(LDFLAGS) -o $@ $^

diff --git a/tests/test-aes.c b/tests/test-aes.c
index f84d86d39a8190c0a023a7b1f01d90bca3abe525..555980b6c135f917ecf9cd8943a4fab0ad91a4fb 100644 (file)
--- a/tests/test-aes.c
+++ b/tests/test-aes.c
@@ -1,6 +1,6 @@
 /*
  * Test program for AES
- * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -160,6 +160,152 @@ static int test_cbc(void)
 }
 
 
+/*
+ * GCM test vectors from
+ * http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-spec.pdf
+ */
+struct gcm_test_vector {
+       char *k;
+       char *p;
+       char *aad;
+       char *iv;
+       char *c;
+       char *t;
+};
+
+static const struct gcm_test_vector gcm_tests[] = {
+       {
+               /* Test Case 1 */
+               "00000000000000000000000000000000",
+               "",
+               "",
+               "000000000000000000000000",
+               "",
+               "58e2fccefa7e3061367f1d57a4e7455a"
+       },
+       {
+               /* Test Case 2 */
+               "00000000000000000000000000000000",
+               "00000000000000000000000000000000",
+               "",
+               "000000000000000000000000",
+               "0388dace60b6a392f328c2b971b2fe78",
+               "ab6e47d42cec13bdf53a67b21257bddf"
+       },
+       {
+               /* Test Case 3 */
+               "feffe9928665731c6d6a8f9467308308",
+               "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
+               "",
+               "cafebabefacedbaddecaf888",
+               "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f5985",
+               "4d5c2af327cd64a62cf35abd2ba6fab4"
+       },
+       {
+               /* Test Case 4 */
+               "feffe9928665731c6d6a8f9467308308",
+               "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
+               "feedfacedeadbeeffeedfacedeadbeefabaddad2",
+               "cafebabefacedbaddecaf888",
+               "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091",
+               "5bc94fbc3221a5db94fae95ae7121a47"
+       },
+#if 0 /* Unsupported IV length */
+       {
+               /* Test Case 5 */
+               "feffe9928665731c6d6a8f9467308308",
+               "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
+               "feedfacedeadbeeffeedfacedeadbeefabaddad2",
+               "cafebabefacedbad",
+               "61353b4c2806934a777ff51fa22a4755699b2a714fcdc6f83766e5f97b6c742373806900e49f24b22b097544d4896b424989b5e1ebac0f07c23f4598",
+               "3612d2e79e3b0785561be14aaca2fccb"
+       },
+#endif
+};
+
+
+static int test_gcm(void)
+{
+       int ret = 0;
+       int i;
+       u8 k[16], aad[32], iv[12], t[16], tag[16];
+       u8 p[64], c[64], tmp[64];
+       size_t p_len, aad_len;
+
+       for (i = 0; i < sizeof(gcm_tests) / sizeof(gcm_tests[0]); i++) {
+               const struct gcm_test_vector *tc = &gcm_tests[i];
+
+               if (hexstr2bin(tc->k, k, sizeof(k))) {
+                       printf("Invalid GCM test vector %d (k)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               p_len = os_strlen(tc->p) / 2;
+               if (hexstr2bin(tc->p, p, p_len)) {
+                       printf("Invalid GCM test vector %d (p)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               aad_len = os_strlen(tc->aad) / 2;
+               if (hexstr2bin(tc->aad, aad, aad_len)) {
+                       printf("Invalid GCM test vector %d (aad)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (hexstr2bin(tc->iv, iv, sizeof(iv))) {
+                       printf("Invalid GCM test vector %d (iv)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (hexstr2bin(tc->c, c, p_len)) {
+                       printf("Invalid GCM test vector %d (c)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (hexstr2bin(tc->t, t, sizeof(t))) {
+                       printf("Invalid GCM test vector %d (t)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (aes_128_gcm_ae(k, iv, p, p_len, aad, aad_len, tmp, tag) < 0)
+               {
+                       printf("GCM-AE failed (test case %d)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (os_memcmp(c, tmp, p_len) != 0) {
+                       printf("GCM-AE mismatch (test case %d)\n", i);
+                       ret++;
+               }
+
+               if (os_memcmp(tag, t, sizeof(tag)) != 0) {
+                       printf("GCM-AD tag mismatch (test case %d)\n", i);
+                       ret++;
+               }
+
+               if (aes_128_gcm_ad(k, iv, c, p_len, aad, aad_len, t, tmp) < 0) {
+                       printf("GCM-AD failed (test case %d)\n", i);
+                       ret++;
+                       continue;
+               }
+
+               if (os_memcmp(p, tmp, p_len) != 0) {
+                       printf("GCM-AD mismatch (test case %d)\n", i);
+                       ret++;
+               }
+       }
+
+       return ret;
+}
+
+
 /* OMAC1 AES-128 test vectors from
  * http://csrc.nist.gov/CryptoToolkit/modes/proposedmodes/omac/omac-ad.pdf
  * which are same as the examples from NIST SP800-38B
@@ -295,6 +441,8 @@ int main(int argc, char *argv[])
 
        ret += test_cbc();
 
+       ret += test_gcm();
+
        if (ret)
                printf("FAILED!\n");